Finding the Fourth Proportional to 10,942,556.49, 15,102,603.09 and 6,361,535.07
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Solution
The fourth proportional to 10,942,556.49, 15,102,603.09 and 6,361,535.07 is: 8,780,008.52
Step by Step Solution
- Step 1: Write the proportion equation
10,942,556.49 : 15,102,603.09 = 6,361,535.07 : x - Step 2: Convert to fraction form
10,942,556.49/15,102,603.09 = 6,361,535.07/x - Step 3: Cross multiply
10,942,556.49x = 15,102,603.09 × 6,361,535.07 - Step 4: Simplify right side
10,942,556.49x = 96,075,739,205,325.38 - Step 5: Solve for x
x = 96,075,739,205,325.38/10,942,556.49 - Step 6: Final answer
x = 8,780,008.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.